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2010 Apr 23
1
creating dummy with loop command
.... i am using 2 digit industry codes and 3 digit industry codes for my model, and i need to create dummies for the industries. The case is simple for the 2-digit industries since there are not that mcuh of them, so i am creating my dummies as following ind_2da<-(ind_2d==11)#for the 11th industry ind_2dc<-(ind_2d==12)#for the 12th industry and so on so forth ... then i directly put the dummy into the regression which works well. but creating dummies for the 3-digit is rather complicated since there are alot of sub-industries, for example:111,112,113...119 and this is just for the 11th industry...
2010 Apr 23
1
creating dummy with loop command‏
...git industry codes for my model, >> and i need to create dummies for the industries. The case is simple for the >> 2-digit industries since there are not that mcuh of them, so i am creating >> my dummies as following >> ind_2da<-(ind_2d==11)#for the 11th industry >> ind_2dc<-(ind_2d==12)#for the 12th industry and so on so forth ... then i >> directly put the dummy into the regression which works well. >> >> but creating dummies for the 3-digit is rather complicated since there are >> alot of sub-industries, for example:111,112,113...119 and...